Ceramic Spark Plug Break Window

Does this only work on auto glass.

Ceramic spark plug break window.

Since they can quickly and quietly fracture the glass side windows on most cars ninja rocks have been used in smash and grab auto burglaries since at least 1995. Ninja rocks are broken shards of spark plugs that are formed by smashing the ceramic portion of the spark plug with a hammer or other large object. The ceramic stones are actually ceramic shards that come from spark plugs. Although effective spark plug fragments will not work all the time.

The impact of the shard against the glass creates a tiny structural failing which rapidly spreads the tension through the rest of the screen causing it to break. While i have seen other people using the whole plug you only need the spark plug insulator the ceramic part. They have no traditional association with the ninja or ninjutsu only being named. We had to give it a shot.

In part 1 we learned porcelain from a spark plug can break glass but what about other porcelain like a toilet. Do it for murica shirt https goo gl h77rxt kayla s channel https goo gl zfxxeb precision turbo turbos bov waste gates. These broken pieces are what you get when you smash the ceramic part of the spark plug. I wouldn t say breaking the car window with a plug is quiet.

Spark plugs are made of aluminum oxide ceramic which is exceptionally hard.